| Idrija to Rochefort | 718.59 mi (1,156.47 km) |
| Idrija to Rodez | 568.82 mi (915.43 km) |
| Idrija to Rognac | 464.95 mi (748.27 km) |
| Idrija to Roissy-en-Brie | 565.17 mi (909.56 km) |
| Idrija to Romainville | 576.42 mi (927.66 km) |
| Idrija to Romans-sur-Isere | 439.24 mi (706.89 km) |
| Idrija to Rombas | 431.86 mi (695.01 km) |
| Idrija to Romilly-sur-Seine | 512.80 mi (825.27 km) |
| Idrija to Ronchin | 593.99 mi (955.94 km) |
| Idrija to Roncq | 597.67 mi (961.86 km) |
| Idrija to Roquebrune-sur-Argens | 403.36 mi (649.14 km) |
| Idrija to Roquevaire | 452.31 mi (727.92 km) |
| Idrija to Rosny-sous-Bois | 573.98 mi (923.74 km) |
| Idrija to Roubaix | 593.19 mi (954.65 km) |
| Idrija to Rouen | 645.64 mi (1,039.05 km) |
